import {TrivialParser} from "./trivial_parser";

import {
  VersionRegistry,
} from "../onion/version";

import {
  NodeCreation,
  NodeDeletion,
  EdgeCreation,
  EdgeUpdate,
  PrimitiveRegistry,
} from "../onion/primitive_delta";

// import {CompositeLevel} from "../onion/composite_delta";
import {mockUuid} from "../onion/test_helpers";
import {assert} from "../util/assert";

// describe("Trivial Parser", () => {
//   it("Parse CS creation and deletion", () => {
//     const primitiveRegistry = new PrimitiveRegistry();
//     const csRegistry = new VersionRegistry();
//     const corrRegistry = new VersionRegistry();
//     const asRegistry = new VersionRegistry();

//     const csLvl = new CompositeLevel(); // L1
//     const asLvl = new CompositeLevel(); // L1
//     const corrLvl = new CompositeLevel(); // L1
//     const getUuid = mockUuid();
//     const parser = new TrivialParser(primitiveRegistry, getUuid, /*{csLvl, asLvl, corrLvl}*/);

//     const csCreation = primitiveRegistry.newNodeCreation(getUuid());
//     const csDeletion = primitiveRegistry.newNodeDeletion(csCreation, [], []);

//     const csV1Composite = csLvl.createComposite([csCreation]);
//     const csV2Composite = csLvl.createComposite([csDeletion]);

//     const csV0 = csRegistry.initialVersion;
//     const corrV0 = corrRegistry.initialVersion;
//     const asV0 = asRegistry.initialVersion;
    
//     const {corrComposite: corrV1Composite, targetComposite: asV1Composite} = parser.parse(csV1Composite, csV0, corrV0, asV0);

//     const csV1 = csRegistry.createVersion(csV0, csV1Composite);
//     const corrV1 = corrRegistry.createVersion(corrV0, corrV1Composite);
//     const asV1 = asRegistry.createVersion(asV0, asV1Composite);

//     const {corrComposite: corrV2Composite, targetComposite: asV2Composite} = parser.parse(csV2Composite, csV1, corrV1, asV1);

//     const csV2 = csRegistry.createVersion(csV1, csV2Composite);
//     const corrV2 = corrRegistry.createVersion(corrV1, corrV2Composite);
//     const asV2 = asRegistry.createVersion(asV1, asV2Composite);

//     const asV2Primitives = [...asV2.iterPrimitiveDeltas()];
//     assert(asV2Primitives.length === 2, "Expected 2 primitive deltas on AS");
//   });

//   it("Parse CS creation and deletion (with CS edge)", () => {
//     const primitiveRegistry = new PrimitiveRegistry();
//     const csRegistry = new VersionRegistry();
//     const corrRegistry = new VersionRegistry();
//     const asRegistry = new VersionRegistry();
//     const csLvl = new CompositeLevel(); // L1
//     const asLvl = new CompositeLevel(); // L1
//     const corrLvl = new CompositeLevel(); // L1
//     const getUuid = mockUuid();
//     const parser = new TrivialParser(primitiveRegistry, getUuid, {csLvl, asLvl, corrLvl});

//     // Same as before, but this time, we also create an edge in CS:

//     const csV0 = csRegistry.initialVersion;
//     const corrV0 = corrRegistry.initialVersion;
//     const asV0 = asRegistry.initialVersion;

//     const csCreation = primitiveRegistry.newNodeCreation(getUuid());
//     const csCreateEdge = primitiveRegistry.newEdgeCreation(csCreation, "x", csCreation); // self-edge
//     const csUnsetEdge = primitiveRegistry.newEdgeUpdate(csCreateEdge, null);
//     const csDeletion = primitiveRegistry.newNodeDeletion(csCreation, [csUnsetEdge], [csUnsetEdge]);
//     assert(csDeletion.getConflicts().length === 0, "expected CS deletion to not have conflicts (yet).");

//     const csTransactions = [
//       csLvl.createComposite([csCreation]),
//       csLvl.createComposite([csCreateEdge]),
//       csLvl.createComposite([csUnsetEdge]),
//       csLvl.createComposite([csDeletion]),
//     ];

//     // Parse all CS composites:
//     const [csFinal, corrFinal, asFial] = csTransactions.reduce(([csParent, corrParent, asParent], csComposite) => {
//       const {corrComposite, targetComposite: asComposite} = parser.parse(csComposite, csParent, corrParent, asParent);
//       return [
//         csRegistry.createVersion(csParent, csComposite),
//         corrRegistry.createVersion(corrParent, corrComposite),
//         asRegistry.createVersion(asParent, asComposite),
//       ];
//     }, [csV0, corrV0, asV0]);

//     console.log("corrFinal primitives:", [...corrFinal.iterPrimitiveDeltas()])
//   });
// });